双休日练习题 (第十六周)6(2)

6. carefully 7. free 8. happy 9. heavily 10. Sadly

C.选用方框内的词组填空。

1. provides---for 2. less and less 3. different kinds of 4. the importance of 5. all year round

6. make any noise 7. is interested in 8. go birdwatching 9. waiting for 10. good manners

二 拓展提高题

D.从方框中选择适当的词填空，使短文意思通顺。

incorrect , ideal, provide, winter, protect, count, uncommon, interested, need, and E.阅读短文，回答问题。

1. Black.

2. Yes, they are.

3. Insects, fish, grasses and other plants.

4. About 1,500.

5. Yes. Because they are in danger.

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